ATmega32U2 Atmel Corporation, ATmega32U2 Datasheet - Page 265
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ATmega32U2
Manufacturer Part Number
ATmega32U2
Description
Manufacturer
Atmel Corporation
Specifications of ATmega32U2
Flash (kbytes)
32 Kbytes
Pin Count
32
Max. Operating Frequency
16 MHz
Cpu
8-bit AVR
# Of Touch Channels
12
Hardware Qtouch Acquisition
No
Max I/o Pins
22
Ext Interrupts
20
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
2
Uart
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Analog Comparators
1
Resistive Touch Screen
No
Temp. Sensor
No
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
1024
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
2.7 to 5.5
Operating Voltage (vcc)
2.7 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
2
Output Compare Channels
5
Input Capture Channels
1
Pwm Channels
4
32khz Rtc
No
Calibrated Rc Oscillator
Yes
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T
Note:
7799D–AVR–11/10
A
Symbol
R
I
V
I
t
Rusb
Vreg
UVcc
CC
ACLK
ACID
ACIO
PUDP
= -40°C to 85°C, V
1. "Max" means the highest value where the pin is guaranteed to be read as low
2. "Min" means the lowest value where the pin is guaranteed to be read as high
3. Although each I/O port can sink more than the test conditions (20mA at VCC = 5V, 10mA at VCC = 3V) under steady state
4. Although each I/O port can source more than the test conditions (20mA at VCC = 5V, 10mA at VCC = 3V) under steady
conditions (non-transient), the following must be observed:
1.)The sum of all IOL, for ports B0-B7, C0-C7, D0-D7 should not exceed 150 mA.
If IOL exceeds the test condition, VOL may exceed the related specification. Pins are not guaranteed to sink current greater
than the listed test condition.
state conditions (non-transient), the following must be observed:
1.)The sum of all IOL, for ports B0-B7, C0-C7, D0-D7 should not exceed 150 mA.
If IOH exceeds the test condition, VOH may exceed the related specification. Pins are not guaranteed to source current
greater than the listed test condition.
Parameter
USB D+ Internal Pull-Up
Power Supply Current
Power-down mode
Standby mode - 8MHZ
XTAL
Analog Comparator
Input Offset Voltage
Analog Comparator
Input Leakage Current
Analog Comparator
Propagation Delay
USB Series resistor
(external)
Regulator Output Voltage
CC
= 2.7V to 5.5V (unless otherwise noted) (Continued)
(6)
regulator disabled
Active 16 MHz, V
V
V
V
Condition
Idle mode
Streaming mode
Active 8 MHz, V
regulator enabled
Idle 8 MHz, V
regulator disabled
Idle 16 MHz, V
regulator enabled
WDT disabled, regulator
disabled,V
WDT enabled, regulator
disabled,V
WDT, BOD, regulator
enabled, Vcc = 5V
WDT disabled, BOD
Enabled, regulator disabled,
Vcc = 3V
WDT disabled, BOD,
regulator enabled, Vcc = 5V
V
V
V
Vcc 4.0V, I≤100mA,
C
in
in
CC
CC
CC
CC
UCAP
= V
= V
= 5V
= 5V
= 2.7V
= 4.0V
=1µF±20%
CC
CC
/2
/2
CC
CC
CC
= 3V
= 3V
CC
CC
= 3V
CC
= 5V
= 3V
= 5V
Min.
1425
900
-50
3.0
4
(5)
ATmega8U2/16U2/32U2
22±5%
Typ.
13.5
250
350
<10
750
500
0.8
3.2
3.3
10
40
4
5
Max.
1500
3090
1.2
4.0
3.6
5.5
21
10
15
65
40
50
6
(5)
Units
mA
mA
mA
mA
mV
µA
µA
µA
µA
µA
nA
ns
Ω
Ω
Ω
V
V
265
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